Get help for free
Shroomok Buy me a coffee Shroomok Discord Shroomok Reddit
Buy spores
✖
Guide
Cultivation

Growing Problems gallery on Shroomok

Mushroom growing troubleshooting. Photos, guides and help with contamination identification (mold, bacteria, pests, fungal diseases) and cultivation problems which are NOT contamination (aborts, mutation, overlay, bruising, mycelium piss and many more).

Contamination
Diseases
Wet Bubble (Mycogone) Wet Bubble (Mycogone)
Dry Bubble (Verticillium) Dry Bubble (Verticillium)
Mold
Cobweb Mold Cobweb Mold
Green Mold (Trichoderma) Green Mold (Trichoderma)
Blue-Green Mold (Penicillium) Blue-Green Mold (Penicillium)
Black Pin Mold (Rhizopus & Mucor) Black Pin Mold (Rhizopus & Mucor)
Black-yellow-green mold (Aspergillus) Black-yellow-green mold (Aspergillus)
Orange bread mold (Neurospora) Orange bread mold (Neurospora)
Pink mold Pink mold
Bacterial contamination Bacterial contamination
Bacterial Blotch Bacterial Blotch
Metabolites
Overlay
Abort
Mutation
Bruising

Shroomok's choice

Soil pH Paper Testing Kit, 3.5-9 Range,...
Mini CO2 Detector, Temperature, Humidity
Alter Eco | Dark Chocolate Bars | Pure D...
Digital Air Quality Monitor - Temperatur...
Powerful Air Pump - for 20-200 Gallon -...
Bleach Germicidal Wipes for surfaces, 15...
Digital, Luster Leaf, 3 Way Analyzer for...
Poly-Fill Premium Fiber - 250g/8.8oz
EarlyGrow Medium Domed Propagator, for M...
AC 110V/220V to DC 12V 15A 180W Power Su...
Shannon's Sawmill's Mixed Hardwood SAWDU...
YJINGRUI Vertical Laminar Flow Hood Air...
1
2
3
...
Last

Take a look at the following publications

Consultation & Mentorship

Let me (Shroomok) be your supervisor, mentor or just a buddy who can help/consult you regarding mushroom cultivation sub...

Read more

Aug 2025

Read more
Consultation & Mentorship

Bacterial blotch disease

The most prevalent bacterial disease affecting both commercially cultivated and home-grown mushrooms.

Read more

Oct 2023

Read more
Bacterial blotch disease

DIY Mold Test on Agar

Mold spores are everywhere. But how do you know what airborne contaminants are present in your home? Make a simple air s...

Read more

Jul 2023

Read more
DIY Mold Test on Agar

Natalensis: fruiting & overlay issues

All-in-one grow bag is not a magic pill, especially, when it comes to Natalensis cultivation. Aggressive behaviour of my...

Read more

Jul 2023

Read more
Natalensis: fruiting & overlay issues

Cracked & split caps

A split or cracked mushroom caps and stems are neither contamination nor a disease. These symptoms indicate dehydration...

Read more

May 2023

Read more
Cracked & split caps

Mycogone aka Wet Bubble

Shapeless masses, fluffy blobs of mycelium ooze with amber yellow orange brown liquid. Mycelium piss or wet bubble disea...

Read more

Feb 2023

Read more
Mycogone aka Wet Bubble

Sterilization vs Pasteurization for bulk substrate

Pros and cons of subject to prevent green mold Trichoderma contamination in mushroom growing. Discussion among members o...

Read more

Jan 2023

Read more
Sterilization vs Pasteurization for bulk substrate